Base | Representation |
---|---|
bin | 110010001010… |
… | …001001011101 |
3 | 220202000201022 |
4 | 302022021131 |
5 | 11331230030 |
6 | 1145453525 |
7 | 216522410 |
oct | 62121135 |
9 | 26660638 |
10 | 13148765 |
11 | 7470953 |
12 | 44a12a5 |
13 | 2954b46 |
14 | 1a63b77 |
15 | 124ade5 |
hex | c8a25d |
13148765 has 16 divisors (see below), whose sum is σ = 18133632. Its totient is φ = 8965824.
The previous prime is 13148761. The next prime is 13148783. The reversal of 13148765 is 56784131.
It is not a de Polignac number, because 13148765 - 22 = 13148761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13148761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942 + ... + 7848.
It is an arithmetic number, because the mean of its divisors is an integer number (1133352).
Almost surely, 213148765 is an apocalyptic number.
It is an amenable number.
13148765 is a deficient number, since it is larger than the sum of its proper divisors (4984867).
13148765 is a wasteful number, since it uses less digits than its factorization.
13148765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2116.
The product of its digits is 20160, while the sum is 35.
The square root of 13148765 is about 3626.1225848005. The cubic root of 13148765 is about 236.0269826948.
The spelling of 13148765 in words is "thirteen million, one hundred forty-eight thousand, seven hundred sixty-five".
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